National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

54°F

12°C

Humidity 82%
Wind Speed S 13 mph
Barometer 29.49 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 18 Feb 2:15 am CST
Extended Forecast for

2 Miles N Ottawa IL

Red Flag Warning February 18, 10:00am until February 18, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Overnight

    Overnight: A slight chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a steady temperature around 54. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 66. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 66 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 41. Southwest wind 5 to 15 mph becoming east southeast after midnight. Winds could gust as high as 20 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 64. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 64 °F

    Slight Chance
    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 33. Breezy, with a south southeast wind 10 to 15 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    Low: 33 °F

    Rain Likely
    and Breezy

  • Friday

    Friday: A slight chance of rain, mixing with snow after 9am, then gradually ending. Partly sunny, with a high near 41. Breezy. Chance of precipitation is 20%.

    High: 41 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow before midnight. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a steady temperature around 54. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 66. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
Increasing clouds, with a low around 41. Southwest wind 5 to 15 mph becoming east southeast after midnight. Winds could gust as high as 20 mph.
Thursday
Rain likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 64. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 33. Breezy, with a south southeast wind 10 to 15 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Friday
A slight chance of rain, mixing with snow after 9am, then gradually ending. Partly sunny, with a high near 41. Breezy. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 23.
Saturday
Partly sunny, with a high near 37.
Saturday Night
A chance of snow before midnight. Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 32.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Ottawa IL
 41.38°N 88.85°W
Last Update:
1:11 am CST Feb 18, 2026
Forecast Valid:
2am CST Feb 18, 2026-6pm CST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation